Home / 2,621.31-3,616.34-1,676.85

Finding the Fourth Proportional to 2,621.31, 3,616.34 and 1,676.85

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Solution

The fourth proportional to 2,621.31, 3,616.34 and 1,676.85 is: 2,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.31 : 3,616.34 = 1,676.85 : x
  2. Step 2: Convert to fraction form
    2,621.31/3,616.34 = 1,676.85/x
  3. Step 3: Cross multiply
    2,621.31x = 3,616.34 × 1,676.85
  4. Step 4: Simplify right side
    2,621.31x = 6,064,051.34
  5. Step 5: Solve for x
    x = 6,064,051.34/2,621.31
  6. Step 6: Final answer
    x = 2,313.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.